Kerrium

She bunstoo eh kerrium. She yn trimmid breneenagh ta echey ny 140.116  g·mol−1. Ta earroo breneenagh 58 as cowrey Ce er. 
180px|left|thumb|Kerrium


Ronney:Bunstooghyn
Ronney:Lantaneedyn
Ronney:Jantee yee-ocsaidaghey